WO2000013886A1 - Materiel d'emballage comportant une couche de polyolefine moussee - Google Patents

Materiel d'emballage comportant une couche de polyolefine moussee Download PDF

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Publication number
WO2000013886A1
WO2000013886A1 PCT/EP1999/006191 EP9906191W WO0013886A1 WO 2000013886 A1 WO2000013886 A1 WO 2000013886A1 EP 9906191 W EP9906191 W EP 9906191W WO 0013886 A1 WO0013886 A1 WO 0013886A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
film according
packaging
thickness
polyolefin
Prior art date
Application number
PCT/EP1999/006191
Other languages
German (de)
English (en)
Inventor
Ulrich Reiners
Michel Pittet
Original Assignee
Convenience Food Systems B.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Convenience Food Systems B.V. filed Critical Convenience Food Systems B.V.
Priority to CA002342848A priority Critical patent/CA2342848A1/fr
Priority to AT99944489T priority patent/ATE227211T1/de
Priority to AU57393/99A priority patent/AU5739399A/en
Priority to DK99944489T priority patent/DK1117526T3/da
Priority to JP2000568671A priority patent/JP2002524302A/ja
Priority to EP99944489A priority patent/EP1117526B1/fr
Priority to DE59903348T priority patent/DE59903348D1/de
Priority to PL99346399A priority patent/PL346399A1/xx
Priority to US09/763,679 priority patent/US7070852B1/en
Publication of WO2000013886A1 publication Critical patent/WO2000013886A1/fr
Priority to NO20011044A priority patent/NO20011044D0/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/025—Polyolefin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249982—With component specified as adhesive or bonding agent
    • Y10T428/249985—Composition of adhesive or bonding component specified
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/249988—Of about the same composition as, and adjacent to, the void-containing component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/249991—Synthetic resin or natural rubbers
    • Y10T428/249992—Linear or thermoplastic

Definitions

  • the invention is in the field of the packaging industry and relates to packaging material which consists of a foamed polyolefin layer which has further layers on one of its surfaces.
  • Packaging materials with a foam layer made of, for example, polypropylene in the form of quasi-endless, rolled-up webs are used for the production of thermoformed, self-supporting packaging such as, for example, troughs for the packaging of food.
  • packaging materials of this type can be processed into packs on so-called “FFS machines” (form-fill-seal machines).
  • FFS machines form-fill-seal machines
  • the web-shaped packaging material is fed into a device, where it is formed into a web of troughs, into which the packaging material is filled and with sealed with a preferably transparent film by sealing.
  • the troughs are then usually separated from one another.
  • the layer of foamed polyolefin is provided with further layers at least on one surface side. Depending on the composition and thickness of these layers, they can increase the stiffness of the packaging material and / or serve as protection of the foam surface or as a gas and / or aroma barrier and / or as a surface layer for connecting a packaging trough and a preferably transparent cover film.
  • Packaging materials with a layer of foamed polypropylene for the production of troughs by heat deformation are described for example in EP-A-0 570222. These materials comprise a foam layer and a multilayer composite film, which may optionally contain a barrier layer that makes the packaging material gas and aroma-tight.
  • This multi-layer packaging material does not always have the desired properties for self-supporting packaging. It has also been proposed to produce the foam layer with the multilayer film with the aid of a connecting layer which is composed of a polyolefin which is based on the main monomer of the polyolefin of the foam layer (WO 96/25290). Although this achieves excellent adhesion between the foam layer and the multilayer film, such a packaging material is not stiff enough for some applications, especially with self-supporting packaging containers.
  • the total thickness of layers A) and B) in the range of 0.6 to 1, 4 mm and the thickness of layer B) ranges from 1/6 to V 3 the thickness of layer A).
  • the foam layer A) consists of at least one foamed polyolefin.
  • Foamed propylene, homo- and / or copolymers are particularly suitable for the production of packaging, such as trays for the packaging of food, since these materials are self-supporting even with a low thickness and a low density. It is also possible to use mixtures of polyolefins to produce the foam layer.
  • a mixture of a polypropylene with a long chain branch and a melt index MFI in the range from 1.4 to 4.2 g / 10 min and a heterophasic propylene-ethylene block copolymer in a mixing ratio of 1: 1 is particularly suitable.
  • the polyolefin of layer A) can be foamed by adding solid, liquid and / or gaseous foaming agents which are added to the polyolefin in customary amounts, preferably in an amount of 0.5 to 3% by weight.
  • foaming agents which are added to the polyolefin in customary amounts, preferably in an amount of 0.5 to 3% by weight.
  • the density and the number of cells can be determined by the process parameters, such as. B. the extrusion temperature or other process parameters can be varied during the preferred production of the foam layer by extrusion and expansion.
  • the layer B) made of compact polyolefin essentially consists of a polyolefin of the foamed base layer A). Unless this base layer is made consists of foamed polypropylene or a foamed mixture of polypropylene and propylene-ethylene copolymer, the compact polyolefin layer B) preferably consists of polypropylene or a propylene-ethylene copolymer. A heterophasic propylene ethylene block copolymer is particularly preferred.
  • the melt index (MFI) of the polyofins used to produce layer B) is preferably in the range from 1.8 to 5.5 g / 10 min.
  • the thickness of layer B) is 1/6 to / 2, particularly preferably ⁇ to 1/3 of the thickness of the layer A).
  • Layer C) is present if layers D) to G) are prefabricated by coextrusion, preferably by film blow coextrusion, and are to be connected to the other layers.
  • Layer C) based on a polyolefin, which was preferably produced from a monomer which is also the main monomer of the polyolefins of foam layer A). If layer A) therefore consists of a foamed polypropylene and possibly a propylene-ethylene copolymer, layer C) can consist of polypropylene, which is optionally grafted with maleic anhydride. Copolymers of ethylene / vinyl acetate can also be used as the material of layer C).
  • the thickness of layer C) is preferably 5 to 25, particularly preferably 8 to 15 ⁇ m.
  • the multilayer films according to the invention have a low gas permeability, ie. H. should have low oxygen and moisture permeability and aroma protection, they have a barrier layer E).
  • This barrier layer is preferably made of an ethylene-vinyl alcohol copolymer which has an ethylene content of 32 to 45 mol%, preferably 35 to 42 mol%.
  • the barrier layer E) is connected with the aid of an adhesion promoter D) or F) on its respective surface to the connecting layer C) or to the surface protective layer G).
  • a propylene copolymer or a polyethylene grafted with maleic anhydride is preferably used as the material for this.
  • the surface protective layer G is preferably sealable and / or peelable.
  • LDPE low density polyethylene
  • MFI melt index
  • a copolymer of an ⁇ -olefin and an ethylenically unsaturated monomer with a carboxyl group the carboxyl groups being present in an amount of 20 to 100% by weight as a metal salt, preferably as a zinc salt, or an ethylene-vinyl acetate copolymer with a vinyl acetate content of 3 to 10% by weight, preferably 4 to 6 % By weight used to produce the sealable layer.
  • the sealing layer is also peelable.
  • a mixture of LDPE and a polybutylene (PB) is preferably used as the layer material.
  • the mixture contains 15 to 30% by weight, preferably 20 to 28% by weight, of polybutylene.
  • the polybutylene preferably has a melt index (MFI) in the range from 0.3 to 2.0 g / 10 min (190 ° C. and 216 kg according to ASTM 1238).
  • the thickness of the surface layer is preferably in the range from 10 to 50 ⁇ m, preferably from 15 to 30 ⁇ m.
  • LDPE low density polyethylene
  • the multilayer film according to the invention comprises a barrier layer
  • an adhesion promoter layer is generally necessary for connecting the barrier layer and the sealing layer, unless ethylene-vinyl alcohol copolymer is used as the barrier layer material.
  • a polyolefin preferably a polyethylene grafted with maleic anhydride, can be used as the adhesion promoter material.
  • the thickness of the respective adhesion promoter layer is in the range from 2 to 8 ⁇ m, preferably in the range from 3 to 6 ⁇ m.
  • the surface layer G) can be conventional and known lubricants and antiblocking agents, such as. B. erucic acid amide, polyalkylsiloxanes, such as. B. contain polydimethylsiloxane and / or silicon dioxide. All or only individual layers can contain stabilizers and other known additives.
  • the layer B) 0.5 to 2 wt.% Of a white pigment, such as. B. kaolin, calcium carbonate, talc, titanium dioxide or mixtures thereof.
  • a white pigment such as. B. kaolin, calcium carbonate, talc, titanium dioxide or mixtures thereof.
  • Such Inorganic pigments are added to the polymer from which layer B) is made, preferably in the form of a masterbatch containing 30 to 50% by weight of pigments.
  • layer B) can consist of up to 30% by weight of recycled multilayer film material according to the invention.
  • the multilayer films according to the invention are preferably produced by the customary film blow coextrusion process or by coextrusion cast film process, insofar as the sequence of layers C) to G) is concerned, and are preferably connected to the polyolefin foam layer A) by an extrusion lamination step.
  • the foam layer A) and the multilayer film, consisting of layers C) to G) are brought together in such a way that layer B) is extruded in between.
  • a sufficiently large pressure is exerted on the laminate thus produced so that the layers A) to G) are adequately bonded to one another.
  • the multilayer films according to the invention by coextrusion, the foam layer A) being coextruded simultaneously with the other layers, optionally with the omission of layer C), and expanded in the case of layer A).
  • the multilayer films according to the invention have excellent thermoformability on so-called FFS machines (form, fill and seal machines) and can be processed on these machines to form packaging containers, preferably deep-drawing troughs, which are also filled and sealed. It was surprising that the multilayer materials according to the invention can not only be processed excellently on the FFS machines, but can also be deformed at increased speed into packaging articles, in particular into deep-drawing troughs, in comparison to known multilayer packaging materials.
  • the multilayer films according to the invention also show an unexpected improvement in the mechanical properties, such as the elongation at break, and the stiffness of the modulus of elasticity, despite the reduction in their overall thickness compared to the known, comparable packaging materials.
  • This significant improvement shows themselves without the need to increase the thickness of the multilayer films known in the art.
  • the mechanical properties are even improved, although the overall thickness of the multilayer packaging material has been reduced.
  • Another object of the present invention also provides the use of the multilayer films of this invention as a packaging material, preferably on forming, filling and sealing machines (FFS-machines), for food packaging, especially for the packaging of perishable foods such as meat, Ham or cold cuts.
  • FFS-machines forming, filling and sealing machines
  • the packaging material must also have a relatively wide, so-called thermoforming window, in which it can be thermoformed. This is the case with the packaging material according to the invention, since it has excellent thermoformability, in particular deep-drawability.
  • thermoformed, preferably deep-drawn packaging items, such as. B. deep-drawn troughs, which were made from the multilayer materials according to the invention, can be sealed with known lidding films after they have been filled.
  • Multilayer films are suitable as cover foils, preferably made of polyethylene terephthalate / SiO ⁇ / adhesion promoter layer / low-density polyethylene or made of polyethylene terephthalate / adhesion promoter layer / polyethylene / adhesion promoter layer / ethylene-vinyl alcohol copolymer / adhesion promoter layer / polyethylene.
  • the first-mentioned multilayer films are particularly suitable.
  • the biaxially oriented polyethylene terephthalate is coated with SiO x by means of plasma vacuum technology.
  • an adhesion promoter With the help of an adhesion promoter, the already made polyethylene film is then laminated onto it.
  • Such a cover film is particularly characterized by excellent transparency and high breaking strength.
  • packaging that has such a lidding film shows an excellent gas barrier.
  • the modulus of elasticity is determined in accordance with DIN 43457 in the machine direction or in its transverse direction.
  • the elongation to break was determined both in the machine direction and in the transverse direction in accordance with DIN 53455.
  • Layer A a foam layer with a density of 0.3 g / cm 3 and a cell number of 120 cells / mm 3 from a mixture of 50% by weight polypropylene with a long-chain branching (high-melt strength polypropylene) and 50% by weight a heterophasic propylene ethylene block copolymer,
  • Layer B of 100% by weight of a heterophase block propylene ethylene copolymer, which was also used to build up the foam layer A),
  • Layer C made of a polypropylene
  • Layer D from an adhesion promoter based on polypropylene grafted with maleic anhydride
  • Layer E as a gas barrier layer consists of an ethylene-vinyl alcohol copolymer
  • Layer F as an adhesion promoter layer with the same structure as Layer D
  • Layer G as a sealing layer based on low density polyethylene.
  • the multilayer film is made by coextrusion.
  • the thickness of the individual layers is shown in Table 1.
  • Example 1 In accordance with the multilayer film according to Example 1, a multilayer film with an identical layer sequence and identical layer compositions, but with different layer thicknesses, was produced.
  • the thickness of the individual layers of this multilayer film can be found in Table 2.
  • the multilayer films according to the invention have far better mechanical values, although the total thickness of the film is less than that of the known packaging material. Accordingly, the multilayer films according to the invention are much better suited for the production of self-supporting packaging articles, in particular deep-drawing troughs.

Landscapes

  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

L'invention concerne un film stratifié comportant les couches suivantes: A) une couche de base constituée de mousse polyoléfinique; B) une couche constituée d'au moins une polyoléfine de la couche de mousse (A); C) éventuellement, une couche de liaison à base d'une polyoléfine; D) éventuellement, une couche d'adhésif; E) éventuellement, une couche barrière étanche aux gaz et/ou aux arômes; F) une couche d'adhésif; et G) une couche superficielle éventuellement scellable et/ou pelable. L'épaisseur totale des couches A) et B) est comprise dans la plage 0,5-2 mm et l'épaisseur de la couche B) est comprise dans la plage 1/6 à 1/2 de l'épaisseur de la couche A).
PCT/EP1999/006191 1998-09-02 1999-08-24 Materiel d'emballage comportant une couche de polyolefine moussee WO2000013886A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
CA002342848A CA2342848A1 (fr) 1998-09-02 1999-08-24 Materiel d'emballage comportant une couche de polyolefine moussee
AT99944489T ATE227211T1 (de) 1998-09-02 1999-08-24 Verpackungsmaterial mit einer schicht aus geschäumtem polyolefin
AU57393/99A AU5739399A (en) 1998-09-02 1999-08-24 Packaging material with a foamed polyolefin layer
DK99944489T DK1117526T3 (da) 1998-09-02 1999-08-24 Emballagemateriale med et lag af opskummet polyolefin
JP2000568671A JP2002524302A (ja) 1998-09-02 1999-08-24 ポリオレフィン発泡体層を有する包装材料
EP99944489A EP1117526B1 (fr) 1998-09-02 1999-08-24 Materiel d'emballage comportant une couche de polyolefine moussee
DE59903348T DE59903348D1 (de) 1998-09-02 1999-08-24 Verpackungsmaterial mit einer schicht aus geschäumtem polyolefin
PL99346399A PL346399A1 (en) 1998-09-02 1999-08-24 Packaging material with a foamed polyolefin layer
US09/763,679 US7070852B1 (en) 1998-09-02 1999-08-24 Packaging material with a foamed polyolefin layer
NO20011044A NO20011044D0 (no) 1998-09-02 2001-02-28 Forpakningsmateriale med et skummet polyolefin lag

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19840046A DE19840046A1 (de) 1998-09-02 1998-09-02 Verpackungsmaterial mit einer Schicht aus geschäumtenm Polyolefin
DE19840046.2 1998-09-02

Publications (1)

Publication Number Publication Date
WO2000013886A1 true WO2000013886A1 (fr) 2000-03-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/006191 WO2000013886A1 (fr) 1998-09-02 1999-08-24 Materiel d'emballage comportant une couche de polyolefine moussee

Country Status (13)

Country Link
US (1) US7070852B1 (fr)
EP (1) EP1117526B1 (fr)
JP (1) JP2002524302A (fr)
AT (1) ATE227211T1 (fr)
AU (1) AU5739399A (fr)
CA (1) CA2342848A1 (fr)
DE (2) DE19840046A1 (fr)
DK (1) DK1117526T3 (fr)
ES (1) ES2186404T3 (fr)
NO (1) NO20011044D0 (fr)
PL (1) PL346399A1 (fr)
PT (1) PT1117526E (fr)
WO (1) WO2000013886A1 (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19859043A1 (de) 1998-12-21 2000-06-29 Convenience Food Sys Bv Wiederverschließbare Kunststoffverpackung mit einem Klettverschluß
DE10054151B4 (de) * 2000-11-02 2006-09-21 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Elastischer Bremskörper
DE10120366A1 (de) 2001-04-25 2002-10-31 Convenience Food Sys Wallau Kunststoffverpackung mit mindestens einer versiegelten Noppe
DE10350237A1 (de) * 2003-10-27 2005-06-02 Cfs Kempten Gmbh Verpackungsmaterial mit einer Schicht aus geschäumtem Polyolefin
DE102004019537A1 (de) * 2004-04-22 2005-11-10 All-Plastic Kunststoffwerk Gunzenhausen Gmbh Verbund aus Kunststofflagen zur Verpackung von Gegenständen, Schutzhülle, insbesondere für Möbelstücke, hergestellt aus mindestens einem derartigen Verbund, Verfahren zur Herstellung eines derartigen Verbundes sowie zur Herstellung einer derartigen Schutzhülle
WO2006053886A2 (fr) * 2004-11-16 2006-05-26 Cfs Kempten Gmbh Films multicouches thermoformables
US20090163666A1 (en) * 2007-12-21 2009-06-25 David John Lohse Polymer compositions exhibiting enhanced flow-induced crystallization
US9067705B2 (en) 2011-06-17 2015-06-30 Berry Plastics Corporation Process for forming an insulated container having artwork
JP6235466B2 (ja) 2011-06-17 2017-11-22 ベリー プラスチックス コーポレイション 断熱容器
WO2013101301A2 (fr) 2011-06-17 2013-07-04 Berry Plastics Corporation Manchon isolé pour tasse
WO2012174422A2 (fr) 2011-06-17 2012-12-20 Berry Plastics Corporation Récipient isolé à bord moulé
CA3170958A1 (fr) 2011-08-31 2013-03-07 Berry Plastics Corporation Materiau polymere pour contenant isole
EP2565199A1 (fr) 2011-09-02 2013-03-06 Deutsches Krebsforschungszentrum Étiquetage multiple orthogonal d'oligonucléotides
CA2879564A1 (fr) 2012-08-07 2014-02-13 Berry Plastics Corporation Procede et machine de formation de coupe
AU2013334155B2 (en) 2012-10-26 2017-02-02 Berry Plastics Corporation Polymeric material for an insulated container
US9840049B2 (en) 2012-12-14 2017-12-12 Berry Plastics Corporation Cellular polymeric material
AR093943A1 (es) 2012-12-14 2015-07-01 Berry Plastics Corp Reborde de un envase termico
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US9895255B2 (en) 2013-01-23 2018-02-20 Hollister Incorporated Multilayer film including foam layer and gas barrier layer
US10322024B2 (en) 2013-01-23 2019-06-18 Hollister Incorporated Multilayer film including foam layer and ostomy products made therefrom
US9957365B2 (en) 2013-03-13 2018-05-01 Berry Plastics Corporation Cellular polymeric material
RU2015143424A (ru) 2013-03-14 2017-04-19 Берри Пластикс Корпорейшн Сосуд
TW201522445A (zh) 2013-08-16 2015-06-16 Berry Plastics Corp 用於絕熱容器之聚合材料
DE102013113120B4 (de) * 2013-11-27 2023-06-29 Loparex Germany Gmbh & Co. Kg Folie für Etiketten und Abdeckbahnen
US9758655B2 (en) 2014-09-18 2017-09-12 Berry Plastics Corporation Cellular polymeric material
US10513589B2 (en) 2015-01-23 2019-12-24 Berry Plastics Corporation Polymeric material for an insulated container
CA3013576A1 (fr) 2017-08-08 2019-02-08 Berry Global, Inc. Feuille multicouche isolee et procede de fabrication associe
JP6882350B2 (ja) * 2019-01-23 2021-06-02 出光ユニテック株式会社 内容物入り容器の製造装置、製造方法および容器
RU2710907C1 (ru) * 2019-07-29 2020-01-14 Дмитрий Сергеевич Расторгуев Многослойный материал на основе вспененного вторичного полиэтилентерефталата и способ его производства
JP2023007518A (ja) * 2019-12-16 2023-01-19 凸版印刷株式会社 積層体及びこのリサイクル方法、並びに再生樹脂組成物及びこれを含む物品
US20220290010A1 (en) * 2021-03-12 2022-09-15 Equistar Chemicals, Lp Multilayer films having foamed polyolefin based adhesive composition(s)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0570222A1 (fr) * 1992-05-13 1993-11-18 W.R. Grace & Co.-Conn. Plateau en polypropylène expansé ayant une couche de barrière
WO1996025290A1 (fr) * 1995-02-17 1996-08-22 Convenience Food Systems B.V. Procede de fabrication de materiaux d'emballage constitues d'une couche de polyolefine moussee

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3722139A1 (de) * 1987-07-04 1989-01-19 Stoll Kunststoffe Gmbh & Co Kg Verfahren zur herstellung einer geschaeumten folie aus thermoplastischem kunststoff

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0570222A1 (fr) * 1992-05-13 1993-11-18 W.R. Grace & Co.-Conn. Plateau en polypropylène expansé ayant une couche de barrière
WO1996025290A1 (fr) * 1995-02-17 1996-08-22 Convenience Food Systems B.V. Procede de fabrication de materiaux d'emballage constitues d'une couche de polyolefine moussee

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DE19840046A1 (de) 2000-03-09
PT1117526E (pt) 2003-03-31
ATE227211T1 (de) 2002-11-15
AU5739399A (en) 2000-03-27
EP1117526A1 (fr) 2001-07-25
US7070852B1 (en) 2006-07-04
NO20011044L (no) 2001-02-28
ES2186404T3 (es) 2003-05-01
DK1117526T3 (da) 2003-03-03
JP2002524302A (ja) 2002-08-06
DE59903348D1 (de) 2002-12-12
CA2342848A1 (fr) 2000-03-16
NO20011044D0 (no) 2001-02-28
EP1117526B1 (fr) 2002-11-06
PL346399A1 (en) 2002-02-11

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